Full Freeview on the Crystal Palace (Greater London, England) transmitter
 | Google Streetview |  | Google map |  | Bing map |  | Google Earth |  | 51.424,-0.076 or 51°25'26"N 0°4'32"W |  | SE19 1UE |
The symbol shows the location of the Crystal Palace (Greater London, England) transmitter which serves 4,490,000 homes. The bright green areas shown where the signal from this transmitter is strong, dark green areas are poorer signals. Those parts shown in yellow may have interference on the same frequency from other masts.
Are there any planned engineering works or unexpected transmitter faults on the Crystal Palace (Greater London, England) mast?
Crystal Palace transmitter - Crystal Palace transmitter: Possible effect on TV reception week commencing 25/11/2024 Screen may go black on some or all channels 
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Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.
64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
DTG-12 QSPK 8K 3/4 8.0Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)
Which Freeview channels does the Crystal Palace transmitter broadcast?
If you have any kind of Freeview fault, follow this Freeview reset procedure first.Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.
64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
DTG-12 QSPK 8K 3/4 8.0Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)
Which BBC and ITV regional news can I watch from the Crystal Palace transmitter?
BBC London 4.9m homes 18.4%
from London W1A 1AA, 12km north-northwest (335°)
to BBC London region - 55 masts.
ITV London News 4.9m homes 18.4%
from London WC1X 8XZ, 11km north-northwest (345°)
to ITV London region - 55 masts.
Are there any self-help relays?
| Charlton Athletic | Transposer | Redeveloped north stand Charlton Athletic Football Club | 130 homes |
| Deptford | Transposer | south-east London | 100 homes |
| Greenford | Transposer | 12 km N Heathrow Airport | 203 homes |
| Hendon | Transposer | Graham Park estate | 50 homes |
| White City | Transposer | 9 km W central London | 80 homes |
How will the Crystal Palace (Greater London, England) transmission frequencies change over time?
| 1950s-80s | 1984-97 | 1997-98 | 1998-2012 | 2012-13 | 21 Mar 2018 | ||||
| VHF | A K T | A K T | A K T | A K T | W T | ||||
| C1 | BBCtvwaves | ||||||||
| C22 | ArqA | ArqA | |||||||
| C23 | ITVwaves | ITVwaves | ITVwaves | BBCA | BBCA | ||||
| C25 | SDN | SDN | |||||||
| C26 | BBC1waves | BBC1waves | BBC1waves | D3+4 | D3+4 | ||||
| C28 | -ArqB | ArqB | |||||||
| C29 | LW | ||||||||
| C30 | C4waves | C4waves | C4waves | -BBCB | BBCB | ||||
| C33 | BBC2waves | BBC2waves | BBC2waves | com7 | |||||
| C35 | com8 | ||||||||
| C55tv_off | com7tv_off | ||||||||
| C56tv_off | COM8tv_off |
tv_off Being removed from Freeview (for 5G use) after November 2020 / June 2022 - more
Table shows multiplexes names see this article;
green background for transmission frequencies
Notes: + and - denote 166kHz offset; aerial group are shown as A B C/D E K W T
waves denotes analogue; digital switchover was 4 Apr 12 and 18 Apr 12.
How do the old analogue and currrent digital signal levels compare?
| Analogue 1-4 | 1000kW | |
| SDN, ARQA, ARQB, BBCA, D3+4, BBCB | (-7dB) 200kW | |
| com7 | (-13.7dB) 43.1kW | |
| com8 | (-14dB) 39.8kW | |
| Mux 1*, Mux 2*, Mux A*, Mux B*, Mux C*, Mux D*, LW | (-17dB) 20kW |
Local transmitter maps
Crystal Palace Freeview Crystal Palace DAB Crystal Palace AM/FM Crystal Palace TV region BBC London LondonWhich companies have run the Channel 3 services in the Crystal Palace transmitter area
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Thursday, 19 April 2012
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jb383:05 PM
Tim: Yes, I certainly feel that you could well be correct there and so it will be interesting to hear the result of Paul's set top aerial / wire test, as in situations where excessively high signal levels are experienced the type of test mentioned will nearly always result in a picture of sorts being received, then if necessary an attenuator can be fitted in line with the main aerial.
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D
David Taylor3:22 PM
Swanley
Hi Guys Iv'e posted this elsewhere but will repeat it here.Have just purchased cheap box
and installed OK but picture has distortion,
wiggley across centre third not pixellating,
and sound has hum.Signal says 90%,have tried it on two different TVs and a couple of scart leads.Have a cheap Freeview TV which works OK since switchover, it only got BBC1&2
before.Aerial is on chimney but analouge signal was always c**p.Should I buy a dearer box?
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David's: mapD's Freeview map terrainD's terrain plot wavesD's frequency data D's Freeview Detailed Coverage
G
Gary Faulkner3:36 PM
Poor ITV1 HD Reception.
We live in St.Albans (AL4) had a new LG TV installed on Saturday and watched ITV1 HD on Sunday without any problems.
Yesterday, did a rescan and then whilst trying to watch football found the picture pixelating and then having no signal for a couple of seconds, (it was raining. Later on I looked at the siqnal quality & strength and found that quality was at 5%. On checking BBC1 HD and Channel4 HD, they were nearer to 100%.
Is anyone else experiencing this or a similar problem with ITV1 HD
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T
Tim3:49 PM
Radlett
Not having any problems with freeview HD here in Radlett. Can't understand why your having problems with ITV1HD as all HD channels are on the same mux.
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Tim's: mapT's Freeview map terrainT's terrain plot wavesT's frequency data T's Freeview Detailed Coverage
Gary Faulkner: All HD services are carried on the same signal as part of the same multiplex, therefore the same strength and quality will be given for BBC One, BBC HD, ITV1 HD and Channel 4 HD from the same transmitter and the same time.
Therefore, check that the UHF channel that they are all tuned to is C30.
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J
jb384:16 PM
David Taylor: Although what you have said suggests that it could be caused by a fault with the boxes power supply, but before you condemn the box you should try it using a set top aerial or just a piece of wire (12" or so) pushed into the inner part of the aerial socket, as with you being located at only 11 miles away from Crystal Palace then the possibility of signal overloading problems must always be suspected.
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Paul6:29 PM
I have an engineer coming out on Monday. Will see whether this is a mechanical or the aerial.
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Kate: I have Hauppauge Win 7 running on my PC.which probably behaves in a similar way to your system. You first need to clear the existing channel database, before starting the TV program ( as opposed to TV Programme), then retune by selecting Crystal Palace as source. Is your software up to date?. Best of luck.
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Roger's: mapR's Freeview map terrainR's terrain plot wavesR's frequency data R's Freeview Detailed Coverage
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Gary Faulkner7:06 PM
St. Albans
ITV1 HD Problem.
I know the channel it is on is U21, where the BBC HD is on a different channel. Not at home to check this, but am I right in thinking I might need to manually tune this channel
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Gary's: mapG's Freeview map terrainG's terrain plot wavesG's frequency data G's Freeview Detailed Coverage
Gary Faulkner: I assume that "U21" means UHF channel 21 is HD services from Sandy Heath which are available at your location.
I am surprised that the TV has not stored all services from one multiplex.
What you do depends on the design of the TV; what it will allow. You may find the Crystal Palace ITV1 HD in your 800s and you may just swap the two. Or you may delete the main ITV1 HD and manually add the CP one which is on C30.
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